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iommu/vt-d: Use memunmap to free memremap
authorPan Bian <bianpan2016@163.com>
Wed, 21 Nov 2018 09:53:47 +0000 (17:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 13 Dec 2018 08:18:50 +0000 (09:18 +0100)
[ Upstream commit 829383e183728dec7ed9150b949cd6de64127809 ]

memunmap() should be used to free the return of memremap(), not
iounmap().

Fixes: dfddb969edf0 ('iommu/vt-d: Switch from ioremap_cache to memremap')
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/iommu/intel-iommu.c patch | blob | blame | history

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index aaf3fed9747712500a3b7fe564beec81aaf422c5..e86c1c8ec7f6d0a90d6ee7572875454dcf8fb3f5 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3086,7 +3086,7 @@ static int copy_context_table(struct intel_iommu *iommu,
                        }
 
                        if (old_ce)
-                               iounmap(old_ce);
+                               memunmap(old_ce);
 
                        ret = 0;
                        if (devfn < 0x80)